I had something slightly similar to you.

However, my issue was specific/limited to the device_health_metrics pool that is auto-created with 1 PG when you turn that mgr feature on.

https://www.mail-archive.com/ceph-users@lists.ceph.com/msg56315.html

I was never able to get a good resolution, other than finally running pg repair on it, and it resolved itself.

Reed

On Oct 14, 2019, at 2:55 PM, Florian Haas <florian@citynetwork.eu> wrote:

On 14/10/2019 17:21, Dan van der Ster wrote:
I'd appreciate a link to more information if you have one, but a PG
autoscaling problem wouldn't really match with the issue already
appearing in pre-Nautilus releases. :)

https://github.com/ceph/ceph/pull/30479

Thanks! But no, this doesn't look like a likely culprit, for the reason
that we also saw this in Luminous and hence, *definitely* without splits
or merges in play.

Has anyone else seen these scrub false positives — if that's what they are?

Cheers,
Florian
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